Sample Rate & Bit Depth File Size Calculator
Music & AudioCalculate the file size of an uncompressed audio recording based on sample rate, bit depth, channels, and duration.
File Size
The estimated uncompressed audio file size in megabytes (WAV/AIFF format).
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Odeh Ahwal0people find this calculator helpful
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Music & Audio calculators
Frequently Asked Questions
Why does higher sample rate and bit depth increase file size so much?
Sample rate determines how many audio samples are captured per second, and bit depth determines how much data each sample stores — both directly multiply the total data volume, which is why high-resolution audio files can be several times larger than CD-quality files.
Does this apply to compressed formats like MP3?
No, this calculates uncompressed file size, such as WAV or AIFF. Compressed formats like MP3 or AAC use additional encoding to significantly reduce file size, at some cost to audio fidelity.
What sample rate and bit depth should I use for recording?
44.1 kHz and 16-bit matches standard CD quality and is sufficient for most listening, while many professional studios record at 48 kHz or 96 kHz and 24-bit for extra headroom during mixing and mastering before final release.
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